0.1-30 S). A Sealable Transparent Cover For Protection Against Unauthorized Changes Is Available As Accessory. The Device Offers Screw Connection Technology With Double-Chamber Cage Connection Terminals.

The Cm-Mpn.52S Is A Multifunctional Relay From The Cm Three-Phase Monitors Range. It Operates With A Rated Control Supply Voltage / Three-Phase Measuring Voltage Of 350-580 V Ac 50/60 Hz And Has A 2 C/O (Spdt) Output With Contacts Rated At 250 V / 4 A. This Relay Monitors All Phase Parameters Such As Over/Undervoltage

Phase Unbalance And Phase Failure. The Corresponding Threshold Values Are Adjustable. The Cm-Mpn.52S Also Offers Selection Of Phase Sequence Monitoring

Automatic Phase Sequence Correction As Well As An On Or Off Tripping Delay. The Output Contacts Can Be Configured As 1X2 C/O (Spdt) Contacts (Common Signal) Or 2X1 C/O (Spdt) Contact (Separate Signal For Over- And Undervoltage Thresholds) Operation. The Tripping Delay Is Adjustable Over A Range Of Instantaneous To 30 S (0

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